MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 51ddc94e9230a48fc787f52b05342f7b1fec562bb7bd8d4155e99156e6564fde. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
GuLoader
Vendor detections: 10
| SHA256 hash: | 51ddc94e9230a48fc787f52b05342f7b1fec562bb7bd8d4155e99156e6564fde |
|---|---|
| SHA3-384 hash: | 3f67112a06ed66f02be23833d75a7b84ebe1196f1cb2ca1df9f6483f871d4f76ecc6f374b92cbf9555250ca3504d26a4 |
| SHA1 hash: | b43f62f987ae478ceea572b4b0168d1120e05d63 |
| MD5 hash: | f867f6ce1f2db6e2766090cb061ac15b |
| humanhash: | mango-xray-fix-harry |
| File name: | PROFORMA INVOICE.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 171'880 bytes |
| First seen: | 2022-09-23 05:26:54 UTC |
| Last seen: | 2022-10-03 06:59:33 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 176ce6397deb91dca8c8158bf86c99a0 (16 x GuLoader, 4 x Formbook, 3 x Loki) |
| ssdeep | 3072:y/c/d6j3AaTzfYbNwdIny5720LwuwU4oy8Qww4LsNR4Uw3+mQ8UZfSeM:y/c/43A4S8cy57rLwPU4ew4LU4UBUs1M |
| TLSH | T1AAF3F156DF85C4E3FDA3097000BA2A279FBABD0584A4770BD314AE5FFD022915B1E276 |
| TrID | 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 16.4% (.EXE) Win64 Executable (generic) (10523/12/4) 10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.0% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-09-23T02:12:48Z |
| Valid to: | 2025-09-22T02:12:48Z |
| Serial number: | 2b911a123b7587e2 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 13cb3ea866bdc967819e78c74ff4173f847fc016f6360542a5f5a399e093f4ea |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
3
# of downloads :
370
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
evad.troj.spyw
Score:
100 / 100
Signature
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Krynis
Status:
Malicious
First seen:
2022-09-23 04:28:18 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 26 (57.69%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
703e17d30a91775f8ddc2648b537fc846fad6415589a503a4529c36f60a17439
MD5 hash:
637e1fa13012a78922b6e98efc0b12e2
SHA1 hash:
8012d44e42cd6d813ea63d5ccbf190fe72e3c778
SH256 hash:
da49d6bee8888263abfbd410699cb675bd6d9c29e4a305d3117d54e7ae321462
MD5 hash:
909c45dd8bf19cea3792935a768cd16e
SHA1 hash:
456bdc3dcff07a379d672c7ec5ab6a5b7fbc481e
SH256 hash:
51ddc94e9230a48fc787f52b05342f7b1fec562bb7bd8d4155e99156e6564fde
MD5 hash:
f867f6ce1f2db6e2766090cb061ac15b
SHA1 hash:
b43f62f987ae478ceea572b4b0168d1120e05d63
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.07
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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